Office chair



FIG. 1 is a perspective view of the office chair showing the new design;

FIG. 2 is a left-hand side elevational view thereof;

FIG. 3 is a right-hand side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a back elevational view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a perspective view of an alternate embodiment thereof showingan alternate surface design for the backrest and seat thereof.

The ornamental design for an office chair, as shown and described. 